condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.04438066666666667 0.0 0.133142 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 10.05763 0.0 24.4541 Root 0.0 0.0 0.0